Loudspeaker wall support



FIG. 1 is a perspective view of my design for a loudspeaker wall support;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a "loudspeaker wall support", as shown and described. 